forked from mirrors/gecko-dev
103 lines
3.4 KiB
JavaScript
103 lines
3.4 KiB
JavaScript
const { PromiseUtils } = ChromeUtils.importESModule(
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"resource://gre/modules/PromiseUtils.sys.mjs"
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);
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add_task(function init() {
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do_get_profile();
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});
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/**
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* Test logging of file descriptors leaks.
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*/
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add_task(async function system_shutdown() {
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// Test that unclosed files cause warnings
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// Test that unclosed directories cause warnings
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// Test that closed files do not cause warnings
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// Test that closed directories do not cause warnings
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function testLeaksOf(resource, topic) {
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return (async function() {
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let deferred = PromiseUtils.defer();
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// Register observer
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Services.prefs.setBoolPref("toolkit.asyncshutdown.testing", true);
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Services.prefs.setBoolPref("toolkit.osfile.log", true);
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Services.prefs.setBoolPref("toolkit.osfile.log.redirect", true);
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Services.prefs.setCharPref(
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"toolkit.osfile.test.shutdown.observer",
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topic
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);
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let observer = function(aMessage) {
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try {
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info("Got message: " + aMessage);
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if (!(aMessage instanceof Ci.nsIConsoleMessage)) {
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return;
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}
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let message = aMessage.message;
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info("Got message: " + message);
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if (!message.includes("TEST OS Controller WARNING")) {
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return;
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}
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info(
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"Got message: " + message + ", looking for resource " + resource
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);
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if (!message.includes(resource)) {
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return;
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}
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info("Resource: " + resource + " found");
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executeSoon(deferred.resolve);
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} catch (ex) {
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executeSoon(function() {
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deferred.reject(ex);
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});
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}
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};
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Services.console.registerListener(observer);
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Services.obs.notifyObservers(null, topic);
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do_timeout(1000, function() {
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info("Timeout while waiting for resource: " + resource);
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deferred.reject("timeout");
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});
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let resolved = false;
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try {
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await deferred.promise;
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resolved = true;
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} catch (ex) {
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if (ex == "timeout") {
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resolved = false;
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} else {
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throw ex;
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}
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}
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Services.console.unregisterListener(observer);
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Services.prefs.clearUserPref("toolkit.osfile.log");
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Services.prefs.clearUserPref("toolkit.osfile.log.redirect");
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Services.prefs.clearUserPref("toolkit.osfile.test.shutdown.observer");
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Services.prefs.clearUserPref("toolkit.async_shutdown.testing");
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return resolved;
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})();
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}
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let TEST_DIR = OS.Path.join(await OS.File.getCurrentDirectory(), "..");
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info("Testing for leaks of directory iterator " + TEST_DIR);
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let iterator = new OS.File.DirectoryIterator(TEST_DIR);
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info("At this stage, we leak the directory");
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Assert.ok(await testLeaksOf(TEST_DIR, "test.shutdown.dir.leak"));
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await iterator.close();
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info("At this stage, we don't leak the directory anymore");
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Assert.equal(false, await testLeaksOf(TEST_DIR, "test.shutdown.dir.noleak"));
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let TEST_FILE = OS.Path.join(OS.Constants.Path.profileDir, "test");
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info("Testing for leaks of file descriptor: " + TEST_FILE);
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let openedFile = await OS.File.open(TEST_FILE, { create: true });
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info("At this stage, we leak the file");
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Assert.ok(await testLeaksOf(TEST_FILE, "test.shutdown.file.leak"));
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await openedFile.close();
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info("At this stage, we don't leak the file anymore");
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Assert.equal(
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false,
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await testLeaksOf(TEST_FILE, "test.shutdown.file.leak.2")
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);
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});
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